Tagged Questions

The study of the movement, distribution, and quality of water on Earth and other planets, including the hydrologic cycle, water resources and environmental watershed sustainability.

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4
votes
1answer
476 views

Stream Gradient - Assigning points to their respective Reaches

This is a continuation of the question I initially posed here. Also, I've attached a shapefile on my db account here. I'm trying to break a stream network up into 100m reaches, assigning elevation ...
13
votes
6answers
3k views

Methodology for creating accurate drainage networks (and catchments) from high resolution LiDAR DEM?

This is not the first time I've stumbled over this issue; it seems that I am unable to generate a correct drainage network model and the resulting catchments from full resolution (1m cells) LiDAR ...
3
votes
1answer
128 views

Calculating Mean Upslope slope, curvature, etc

I'm trying to generate rasters whose values summarize the mean value of a given parameter (slope, curvature, etc.) of the upslope terrain. I feel like this should be doable using only a flow ...
3
votes
0answers
116 views

How do I assign attributes from hydrologic sinks to upstream features?

I have a large hydrology geometric network with more than 300 sinks and roughly 150 barriers. I'd like to have the SinkID added to the attributes of the barriers (some individual networks have a ...